13101855 has 16 divisors (see below), whose sum is σ = 22575840. Its totient is φ = 6450048.

The previous prime is 13101853. The next prime is 13101857. The reversal of 13101855 is 55810131.

It is an interprime number because it is at equal distance from previous prime (13101853) and next prime (13101857).

It is not a de Polignac number, because 13101855 - 2¹ = 13101853 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13101853) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33400 + ... + 33789.

It is an arithmetic number, because the mean of its divisors is an integer number (1410990).

Almost surely, 2^13101855 is an apocalyptic number.

13101855 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13101855 is a deficient number, since it is larger than the sum of its proper divisors (9473985).

13101855 is a wasteful number, since it uses less digits than its factorization.

13101855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67210.

The product of its (nonzero) digits is 600, while the sum is 24.

The square root of 13101855 is about 3619.6484635942. The cubic root of 13101855 is about 235.7459621604.

Adding to 13101855 its reverse (55810131), we get a palindrome (68911986).

The spelling of 13101855 in words is "thirteen million, one hundred one thousand, eight hundred fifty-five".